🏡 Blockchain Land Registry

A decentralized land registry system built on Ethereum blockchain using Solidity, Truffle, Ganache, Web3.py, and Streamlit.
This project allows users to register land, transfer ownership, and verify land details securely on the blockchain.

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🚀 Features

✅ Register new land parcels securely.
✅ Transfer land ownership with blockchain verification.
✅ Fetch land details instantly.
✅ Decentralized and tamper-proof record system.

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🛠 Tech Stack

• Blockchain: Ethereum, Solidity, Web3.js, Truffle, Ganache
• Backend: Python, Web3.py
• Frontend: Streamlit

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📦 Installation & Setup

1️⃣ Install Dependencies

Make sure you have Node.js, Python, and Ganache installed.

Install Truffle globally

npm install -g truffle

Install Python dependencies

pip install web3 streamlit

Blockchain-Based Land Registry

🏗 Setup Guide

1️⃣ Start Ganache

Run Ganache on:

http://127.0.0.1:7545

2️⃣ Compile & Deploy Smart Contract

Run the following command to compile and deploy the smart contract:

truffle migrate --reset

3️⃣ Run the Streamlit App

Start the frontend by running:

streamlit run app.py

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📜 Usage Guide

➤ Register a New Land Parcel

1. Select an Ethereum account (from Ganache).
2. Enter the Land ID, Location, and Area.
3. Click "Register Land" to store it on the blockchain.

➤ Transfer Land Ownership

1. Enter the Land ID to transfer.
2. Select a new owner from the available Ethereum accounts.
3. Click "Transfer Ownership" to update blockchain records.

➤ View Land Details

1. Enter the Land ID to check details.
2. Click "Fetch Details" to view registered information.

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🛠 Troubleshooting

❌ Web3 is not connected
✔ Ensure Ganache is running on port 7545.

❌ Smart contract not deployed
✔ Run truffle migrate --reset and restart the app.

❌ Transaction failed (gas issue)
✔ Increase the gas limit in backend.py to 500000.

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🔗 References

• Ethereum & Web3
• Solidity Documentation
• Truffle Suite
• Streamlit

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✨ Future Improvements

🚀 User Authentication with MetaMask
🚀 NFT-based Land Titles
🚀 Integration with IPFS for Land Documents

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👨‍💻 Author

🔹 Subinesh
📧 subinesh.b2c@gmail.com
🔗 LinkedIn | GitHub

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This README includes everything needed to install, run, and troubleshoot your project. 🚀
Let me know if you need modifications! 😊